tty: move hvc drivers to drivers/tty/hvc/

As requested by Arnd Bergmann, the hvc drivers are now
moved to the drivers/tty/hvc/ directory.  The virtio_console.c driver
was also moved, as it required the hvc_console.h file to be able to be
built, and it really is a hvc driver.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 133 deletions

diff --git a/drivers/char/hvc_dcc.c b/drivers/char/hvc_dcc.c
deleted file mode 100644
index 6470f63..0000000
--- a/drivers/char/hvc_dcc.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/moduleparam.h>
-#include <linux/types.h>
-
-#include <asm/processor.h>
-
-#include "hvc_console.h"
-
-/* DCC Status Bits */
-#define DCC_STATUS_RX		(1 << 30)
-#define DCC_STATUS_TX		(1 << 29)
-
-static inline u32 __dcc_getstatus(void)
-{
-	u32 __ret;
-
-	asm("mrc p14, 0, %0, c0, c1, 0	@ read comms ctrl reg"
-		: "=r" (__ret) : : "cc");
-
-	return __ret;
-}
-
-
-#if defined(CONFIG_CPU_V7)
-static inline char __dcc_getchar(void)
-{
-	char __c;
-
-	asm("get_wait:	mrc p14, 0, pc, c0, c1, 0                          \n\
-			bne get_wait                                       \n\
-			mrc p14, 0, %0, c0, c5, 0	@ read comms data reg"
-		: "=r" (__c) : : "cc");
-
-	return __c;
-}
-#else
-static inline char __dcc_getchar(void)
-{
-	char __c;
-
-	asm("mrc p14, 0, %0, c0, c5, 0	@ read comms data reg"
-		: "=r" (__c));
-
-	return __c;
-}
-#endif
-
-#if defined(CONFIG_CPU_V7)
-static inline void __dcc_putchar(char c)
-{
-	asm("put_wait:	mrc p14, 0, pc, c0, c1, 0                 \n\
-			bcs put_wait                              \n\
-			mcr p14, 0, %0, c0, c5, 0                   "
-	: : "r" (c) : "cc");
-}
-#else
-static inline void __dcc_putchar(char c)
-{
-	asm("mcr p14, 0, %0, c0, c5, 0	@ write a char"
-		: /* no output register */
-		: "r" (c));
-}
-#endif
-
-static int hvc_dcc_put_chars(uint32_t vt, const char *buf, int count)
-{
-	int i;
-
-	for (i = 0; i < count; i++) {
-		while (__dcc_getstatus() & DCC_STATUS_TX)
-			cpu_relax();
-
-		__dcc_putchar((char)(buf[i] & 0xFF));
-	}
-
-	return count;
-}
-
-static int hvc_dcc_get_chars(uint32_t vt, char *buf, int count)
-{
-	int i;
-
-	for (i = 0; i < count; ++i) {
-		int c = -1;
-
-		if (__dcc_getstatus() & DCC_STATUS_RX)
-			c = __dcc_getchar();
-		if (c < 0)
-			break;
-		buf[i] = c;
-	}
-
-	return i;
-}
-
-static const struct hv_ops hvc_dcc_get_put_ops = {
-	.get_chars = hvc_dcc_get_chars,
-	.put_chars = hvc_dcc_put_chars,
-};
-
-static int __init hvc_dcc_console_init(void)
-{
-	hvc_instantiate(0, 0, &hvc_dcc_get_put_ops);
-	return 0;
-}
-console_initcall(hvc_dcc_console_init);
-
-static int __init hvc_dcc_init(void)
-{
-	hvc_alloc(0, 0, &hvc_dcc_get_put_ops, 128);
-	return 0;
-}
-device_initcall(hvc_dcc_init);